EP3751357B1 - Timepiece mechanism comprising a device for displaying at least two items of information - Google Patents

Timepiece mechanism comprising a device for displaying at least two items of information Download PDF

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Publication number
EP3751357B1
EP3751357B1 EP19179991.5A EP19179991A EP3751357B1 EP 3751357 B1 EP3751357 B1 EP 3751357B1 EP 19179991 A EP19179991 A EP 19179991A EP 3751357 B1 EP3751357 B1 EP 3751357B1
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EP
European Patent Office
Prior art keywords
index
head
central
information
collar
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EP19179991.5A
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German (de)
French (fr)
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EP3751357A1 (en
Inventor
Marc-Antoine Sudan
Marc Lemonnier
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Patek Philippe SA Geneve
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Patek Philippe SA Geneve
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Priority to EP19179991.5A priority Critical patent/EP3751357B1/en
Publication of EP3751357A1 publication Critical patent/EP3751357A1/en
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    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/02—Back-gearing arrangements between gear train and hands
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/02—Back-gearing arrangements between gear train and hands
    • G04B19/025—Back-gearing arrangements between gear train and hands for simultaneous indicating on several dials
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/08—Geometrical arrangement of the graduations
    • G04B19/087—Geometrical arrangement of the graduations with several separate scales

Definitions

  • the present invention relates to a horological mechanism comprising a device for displaying at least two items of information comprising at least a first index and a second index, each of said first and second index comprising a body and a head provided with a barrel and being movable. in rotation about a common axis of rotation, said first index being arranged to indicate first information on a first display member, and said second index being arranged to indicate second information on a second display member, identical or different from the first display unit.
  • Such a display device conventionally comprises at least two concentric hands, movable in rotation with respect to one another, and used to display different information by means of respective drive mechanisms, for example the hours of getting up and of getting up. sunset, times in two different time zones, retrograde hours and minutes, etc.
  • These hands can be used in addition to traditionally intended hands to display primary information, such as legal hours, minutes and seconds.
  • primary information such as legal hours, minutes and seconds.
  • the display of this additional information is deported elsewhere than in the center of the dial, the corresponding hands having distinct axes of rotation, and being separated from the hands of the main display generally pivoting in the center of the movement.
  • the times of sunrise and sunset can be displayed by means of two hands with separate axes of rotation, arranged at 3 o'clock and 9 o'clock, or at 6 o'clock and displaying the hours on two distinct angular sectors provided for this purpose.
  • a mechanism for displaying two time information comprising a first and a second index movable in rotation about a common axis is disclosed in the document.
  • WO2010108947 discloses a display system by retrograde hands, the axes of each of the indexes being distinct from each other.
  • the present invention aims to remedy these drawbacks by proposing a display device making it possible to reduce the size of a switch comprising at least two hands pivoting along the same axis of rotation, at the same point on the dial.
  • the present invention relates to a horological mechanism comprising a device for displaying at least two items of information comprising at least a first index and a second index, each of said first and second index comprising a body and a head provided with a barrel and being movable in rotation about a common axis of rotation, said first index being arranged to indicate first information on a first display member, and said second index being arranged to indicate second information on a second display member. display.
  • the first and second information are chosen so that the first and second indexes move to respectively display the first and second information without crossing each other, the head and the barrel of one of the first and second indexes, called central index, being arranged to fit at least partially into the head and the barrel of the other of the first and second indexes, called the outer index, the body of the central index not being able to position itself above the head of the outer index.
  • the head of the outer index has a clearance arranged for the passage of the body of the central index.
  • the present invention makes it possible to arrange the two indexes so that they have angular races in the same space, which makes it possible to reduce a two-needle size to a one-needle size.
  • the display device of the invention makes it possible to reduce the total size of the switch, so that the watch obtained is thinner.
  • the present invention also relates to a timepiece comprising a mechanism as defined above.
  • the present invention relates to a horological mechanism comprising a display device 1 making it possible to display, in the example shown here, five pieces of information on a dial 2 of a timepiece by means of five indexes, such as hands , positioned at the same point of the dial 2, such as the center of the movement.
  • the display device 1 comprises a "main" display of the hours, minutes and seconds, by means of three indexes 3, 4, and 5 respectively, mounted superimposed and movable in rotation, their respective axes of rotation being merged into a same and single axis of rotation A, which crosses perpendicularly the dial 2 in its center.
  • the arrangement and training of such needles are known to those skilled in the art and do not require a more detailed description here.
  • the display device 1 also comprises an additional display of at least two other items of information, namely a first item of information on a first display member 6, such as a first graduated angular sector, by means of a first index 8 , as well as second information on a second display member 10, such as a second graduated angular sector, by means of a second index 12.
  • the first and second indexes 8 and 12 are rotatable relative to one another, and also relative to the dial 2, and are positioned at the same point on the dial 2 as the other indexes 3, 4, 5, of the main display, in the center of dial 2, their respective axes of rotation being common and coincident with the axis of rotation A.
  • the first and second indexes 8 and 12 are placed closest to the dial 2, under the indexes 3 , 4, 5 superimposed from the main display.
  • the first and second information items are chosen so that the first index 8 and the second index 12 move to respectively display the first and second information without crossing each other.
  • the first information displayed by the first index 8 is the time of sunrise
  • the second information displayed by the second index 12 is the time of sunset. It is obvious that the reverse configuration is possible.
  • the sunrise and sunset times vary, but the sunrise time is generally between 3:00 a.m. and 11:00 a.m. and the sunset time is between 3:00 p.m. and 11:00 p.m., so that the first and second second index 8 and 12 have strokes angular according to specific angular sectors which do not intersect.
  • the first and second indexes will never have to cross each other in normal operation during an annual cycle.
  • the angular sectors 6 and 10 bear an additional graduation specific to the hours of sunrise and sunset, and are positioned on the dial 2 in a manner concentric with the axis A, according to the angular travel effected by their index 8, 12 respective.
  • Other information to be displayed can be chosen from the moment when the condition is met that the values of this information in normal operation of the movement are such that the corresponding indexes 8 and 12 do not intersect.
  • one of the information to be displayed may be a time according to a first time zone, the other information to be displayed being a time according to a second time zone, in addition to the local time displayed by the indexes of the display. main 3 to 5.
  • the corresponding indexes 8 and 12 moving at the same speed, their angular travels will follow each other but the indexes 8 and 12 will not cross during the normal operation of the movement.
  • the first display member and the second display member on which the hours are displayed according to the two time zones by means of the indexes 8 and 12 can form a single display member, which can be an additional dial provided on the main dial if the two indexes 8 and 12 are separated from the main indexes which display the local time, or which can be the main dial itself if the two indexes 8 and 12 are arranged at the same point of the main dial as the main indexes, as on the figure 1 .
  • the first index 8 comprises an elongated body 8a and an annular head 8b provided with a barrel 8c
  • the second index 12 comprises an elongated body 12a and an annular head 12b provided with a barrel 12c, the head 8b and the barrel 8c of the first index 8 being concentric with the head 12b and to the barrel 12c of the second index 12, along the axis of rotation A.
  • the first and second indexes 8 and 12 do not include a counterweight opposite the body relative to the head.
  • the first and second index 8 and 12 are needles.
  • the first and second indexes 8 and 12 are driven by a drive mechanism managing the times of sunrise and sunset on an annual basis by means of cams having a shape so as to describe the variations in the times of sunrise and sunset. sun during the year.
  • the first index 8 is driven in rotation by a first drive wheel 14 linked to the drive mechanism managing the hours of sunrise and the second index 12 is driven in rotation by a second drive wheel 16 linked to the drive mechanism managing the sunset times.
  • Such mechanisms managing the sunrise and sunset times in a timepiece, such as a wristwatch are known to those skilled in the art and do not require further description here.
  • the head 8b and the barrel 8c of the first index 8 are arranged to fit at least partially into the annular head 12b and the barrel 12c of the second index 12, hereinafter called the outer index, so that the body 8a of the central index 8 cannot position itself and pass over the head 12b of the outer index 12. More particularly, the underside of the body 8a (face looking at the dial 2) of the central index 8 does not extend higher than the upper face of the head 12b (face looking at the glass) of the outer index 12.
  • the head 8b and the barrel 8c of the central index 8 have an outside diameter smaller than the inside diameter of the head 12b of the outside index 12 so that the head 8b and the barrel 8c of the central index 8 fit into the central opening of the annular head 12b of the outer index 12.
  • the outside diameter of the head 8b of the central index 8 is chosen to be less than the inside diameter of the head 12b of the outer index 12 so as to allow a sufficient clearance between the head 12b and the head 8b for the rotation of the central index 8 relative to the outer index 12, but not too great not to harm the aesthetics of the construction of the assembly.
  • the head 8b and the barrel 8c of the central index 8 can be arranged to be inserted or fully embedded in the annular head 12b and the barrel 12c of the outer index 12.
  • the head 8b and the barrel 8c of the central index 8 can also be arranged to fit into the annular head 12b and the barrel 12c of the outer index 12 so that the bodies 8a and 12a of the central index 8 and of the outer index 12 respectively have upper faces in the same plane.
  • these two embodiments are combined so that the head 8b and the barrel 8c of the central index 8 fit entirely into the center of the annular head 12b and of the barrel 12c of the outer index 12 so that the upper faces of the head 8b and of the body 8a of the central index 8 and the upper faces of the head 12b and of the body 12a of the outer index 12 are in the same plane in order to occupy the minimum space , as shown on figure 5 notably.
  • the head 12b of the outer index 12 has a clearance 18.
  • this clearance or milling 18 is made in the head 12b but also partly in the barrel 12c of the outer index 12 in order to leave sufficient space for the relative displacement of the body 12a of the central index 12 with respect to the outer index 12.
  • the clearance 18 is in the form of an open ring delimited laterally by the edges of the head 12b. The dimensions of the clearance 18, and in particular its length, will be adapted as a function of the information to be displayed, and therefore of the angular travel of the central index 8 relative to that of the outer index 12, taking into account the capacity d 'self-supporting external index 12.
  • the central index 8 is fixedly attached to a central shaft 20 of the first drive wheel 14, the end of the central shaft 20 opening into the central opening of the annular head 8b. of the central index 8.
  • the outer index 12 is fixedly fixed to an outer shaft 22 of the second drive wheel 16, the end of the outer central shaft 22 stopping at the same height as the barrel 12c at the level of the clearance 18.
  • the central shaft 20 is introduced coaxially into the outer shaft 22, the central 20 and outer 22 shafts being arranged to form between them an annular peripheral space 24 in which the base of the barrel 8c is introduced. of the central index 8.
  • the outer face of the central shaft 20 has, near its end integral with the central index 8, a narrowing 26 of its cross section.
  • the dimensions of the space 24 are chosen so as to allow sufficient play between the barrel 8c and the end of the outer shaft 22 for the rotation of the central index 8 relative to the outer index 12.
  • the space 24 allows a deeper recessing of the barrel 8c of the central index 8 so as to further reduce its bulk.
  • the display device proposed by the present invention makes it possible to position two concentric indexes without extra thickness.
  • the number of indexes can be greater than two, provided that you choose for each index, information to be displayed whose values will be such that the indexes do not intersect with each other.
  • the display device proposed by the present invention allows the central index to have an angular travel in the same size as that of the outer index and thus to reduce the space normally occupied by two indexes to a space occupied by one index, while two indexes are used.
  • the display device proposed by the present invention can be advantageously used when it is desired to add to a dial two concentric indexes pivoted at the center of a movement which already comprises one, two or three indexes also pivoted in the center for display. principal of the hour. The total volume occupied by all the indexes are reduced so that the resulting watch is thinner.
  • the central and outer indexes are advantageously arranged in the same plane, which improves the aesthetic appearance of the assembly.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Electromechanical Clocks (AREA)

Description

La présente invention concerne un mécanisme horloger comprenant un dispositif d'affichage d'au moins deux informations comprenant au moins un premier index et un deuxième index, chacun desdits premier et deuxième index comprenant un corps et une tête pourvue d'un canon et étant mobile en rotation autour d'un axe de rotation commun, ledit premier index étant agencé pour indiquer une première information sur un premier organe d'affichage, et ledit deuxième index étant agencé pour indiquer une deuxième information sur un deuxième organe d'affichage, identique ou différent du premier organe d'affichage.The present invention relates to a horological mechanism comprising a device for displaying at least two items of information comprising at least a first index and a second index, each of said first and second index comprising a body and a head provided with a barrel and being movable. in rotation about a common axis of rotation, said first index being arranged to indicate first information on a first display member, and said second index being arranged to indicate second information on a second display member, identical or different from the first display unit.

Un tel dispositif d'affichage comprend classiquement au moins deux aiguilles concentriques, mobiles en rotation l'une par rapport à l'autre, et utilisées pour afficher des informations différentes au moyen de mécanismes d'entrainement respectifs, par exemple les heures de lever et de coucher du soleil, des heures selon deux fuseaux horaires différents, des heures et des minutes rétrogrades, etc. Ces aiguilles peuvent être utilisées en plus des aiguilles traditionnellement prévues pour afficher les informations principales, telles que les heures légales, les minutes et les secondes. Lorsque l'on souhaite regrouper toutes ces aiguilles en un même point du cadran, par exemple au centre, avec un axe de rotation commun, il est nécessaire de les superposer. Toutefois, ces cinq aiguilles superposées pivotant en un même point, selon un même axe de rotation, représentent une épaisseur totale de l'aiguillage très importante. Cela génère un encombrement important qui peut gêner le positionnement d'autres éléments sur le cadran et qui oblige à prévoir une montre d'épaisseur très importante.Such a display device conventionally comprises at least two concentric hands, movable in rotation with respect to one another, and used to display different information by means of respective drive mechanisms, for example the hours of getting up and of getting up. sunset, times in two different time zones, retrograde hours and minutes, etc. These hands can be used in addition to traditionally intended hands to display primary information, such as legal hours, minutes and seconds. When it is desired to group all these hands together at the same point on the dial, for example at the center, with a common axis of rotation, it is necessary to superimpose them. However, these five superimposed needles pivoting at the same point, along the same axis of rotation, represent a very large total thickness of the switch. This generates a significant bulk which can hamper the positioning of other elements on the dial and which makes it necessary to provide a watch of very great thickness.

En général, pour résoudre ce problème, l'affichage de ces informations supplémentaires est déporté ailleurs qu'au centre du cadran, les aiguilles correspondantes ayant des axes de rotation distincts, et étant séparées des aiguilles de l'affichage principal pivotant en général au centre du mouvement. Par exemple, les heures de lever et de coucher du soleil peuvent être affichées au moyen de deux aiguilles d'axes de rotation distincts, disposées à 3h et à 9h, ou à 6h et affichant les heures sur deux secteurs angulaires distincts prévus à cet effet. Un mécanisme d'affichage de deux informations horaires comprenant un premier et un deuxième index mobiles en rotation autour d'un axe commun est divulgué dans le document WO2010108947 . Le document WO2008095813 divulgue un système d'affichage par aiguilles rétrogrades, les axes de chacun des index étant distincts les uns des autres.In general, to solve this problem, the display of this additional information is deported elsewhere than in the center of the dial, the corresponding hands having distinct axes of rotation, and being separated from the hands of the main display generally pivoting in the center of the movement. For example, the times of sunrise and sunset can be displayed by means of two hands with separate axes of rotation, arranged at 3 o'clock and 9 o'clock, or at 6 o'clock and displaying the hours on two distinct angular sectors provided for this purpose. . A mechanism for displaying two time information comprising a first and a second index movable in rotation about a common axis is disclosed in the document. WO2010108947 . The document WO2008095813 discloses a display system by retrograde hands, the axes of each of the indexes being distinct from each other.

Toutefois, aucune solution n'est proposée si l'on souhaite regrouper ces aiguilles avec les aiguilles de l'affichage principal, pivotant selon un même axe de rotation, en un même point du cadran,However, no solution is proposed if one wishes to group these hands together with the hands of the main display, pivoting along the same axis of rotation, at the same point on the dial,

La présente invention vise à remédier à ces inconvénients en proposant un dispositif d'affichage permettant de réduire l'encombrement d'un aiguillage comportant au moins deux aiguilles pivotant selon un même axe de rotation, en un même point du cadran.The present invention aims to remedy these drawbacks by proposing a display device making it possible to reduce the size of a switch comprising at least two hands pivoting along the same axis of rotation, at the same point on the dial.

A cet effet, la présente invention concerne un mécanisme horloger comprenant un dispositif d'affichage d'au moins deux informations comprenant au moins un premier index et un deuxième index, chacun desdits premier et deuxième index comprenant un corps et une tête pourvue d'un canon et étant mobile en rotation autour d'un axe de rotation commun, ledit premier index étant agencé pour indiquer une première information sur un premier organe d'affichage, et ledit deuxième index étant agencé pour indiquer une deuxième information sur un deuxième organe d'affichage.To this end, the present invention relates to a horological mechanism comprising a device for displaying at least two items of information comprising at least a first index and a second index, each of said first and second index comprising a body and a head provided with a barrel and being movable in rotation about a common axis of rotation, said first index being arranged to indicate first information on a first display member, and said second index being arranged to indicate second information on a second display member. display.

Selon l'invention, les première et deuxième informations sont choisies de sorte que les premier et deuxième index se déplacent pour afficher respectivement les première et deuxième informations sans se croiser, la tête et le canon de l'un des premier et deuxième index, appelé index central, étant agencés pour s'insérer au moins partiellement dans la tête et le canon de l'autre des premier et deuxième index, appelé index extérieur, le corps de l'index central ne pouvant pas se positionner au-dessus de la tête de l'index extérieur. De plus, au moins la tête de l'index extérieur présente un dégagement agencé pour le passage du corps de l'index central.According to the invention, the first and second information are chosen so that the first and second indexes move to respectively display the first and second information without crossing each other, the head and the barrel of one of the first and second indexes, called central index, being arranged to fit at least partially into the head and the barrel of the other of the first and second indexes, called the outer index, the body of the central index not being able to position itself above the head of the outer index. In addition, at least the head of the outer index has a clearance arranged for the passage of the body of the central index.

La présente invention permet d'agencer les deux index de sorte qu'ils ont des courses angulaires dans le même encombrement, ce qui permet de réduire un encombrement à deux aiguilles à un encombrement à une aiguille. Notamment, lorsque l'aiguillage comporte plus de deux aiguilles pivotant selon un même axe de rotation, en un même point du cadran, le dispositif d'affichage de l'invention permet de réduire l'encombrement total de l'aiguillage, de sorte que la montre obtenue est de moindre épaisseur.The present invention makes it possible to arrange the two indexes so that they have angular races in the same space, which makes it possible to reduce a two-needle size to a one-needle size. In particular, when the switch comprises more than two hands pivoting along the same axis of rotation, at the same point of the dial, the display device of the invention makes it possible to reduce the total size of the switch, so that the watch obtained is thinner.

La présente invention concerne également une pièce d'horlogerie comprenant un mécanisme tel que défini ci-dessus.The present invention also relates to a timepiece comprising a mechanism as defined above.

D'autres caractéristiques et avantages de la présente invention apparaîtront à la lecture de la description détaillée suivante d'un mode de réalisation de l'invention, donné à titre d'exemple non limitatif, et faite en référence aux dessins annexés dans lesquels :

  • la figure 1 est une vue isométrique partielle côté cadran d'un mécanisme horloger selon l'invention;
  • la figure 2 est une vue de dessus du mécanisme de la figure 1 dans laquelle les aiguilles de l'affichage principal ont été retirée ;
  • la figure 3 est une vue isométrique du dispositif d'affichage, les index formant un angle de 180°;
  • la figure 4 est une vue de dessus du dispositif d'affichage de la figure 3; et
  • la figure 5 est une vue en coupe, dans un plan perpendiculaire au plan des index, du dispositif d'affichage de la figure 3.
Other characteristics and advantages of the present invention will become apparent on reading the following detailed description of an embodiment of the invention, given by way of non-limiting example, and made with reference to the appended drawings in which:
  • the figure 1 is a partial isometric view on the dial side of a watch mechanism according to the invention;
  • the figure 2 is a top view of the mechanism of the figure 1 in which the hands of the main display have been removed;
  • the figure 3 is an isometric view of the display device with the indexes forming an angle of 180 °;
  • the figure 4 is a top view of the display device of the figure 3 ; and
  • the figure 5 is a sectional view, in a plane perpendicular to the plane of the indexes, of the display device of the figure 3 .

En référence aux figures 1 et 2, la présente invention concerne un mécanisme horloger comprenant un dispositif d'affichage 1 permettant d'afficher, dans l'exemple représenté ici, cinq informations sur un cadran 2 d'une pièce d'horlogerie au moyen de cinq index, tels que des aiguilles, positionnés en un même point du cadran 2, tel que le centre du mouvement. D'une manière traditionnelle, le dispositif d'affichage 1 comprend un affichage « principal » des heures, minutes et secondes, au moyen de trois index 3, 4, et 5 respectivement, montés superposés et mobiles en rotation, leurs axes de rotation respectifs étant confondus en un même et unique axe de rotation A, qui traverse perpendiculairement le cadran 2 en son centre. L'agencement et l'entrainement de telles aiguilles sont connus de l'homme du métier et ne nécessitent pas ici de description plus détaillée.With reference to figures 1 and 2 , the present invention relates to a horological mechanism comprising a display device 1 making it possible to display, in the example shown here, five pieces of information on a dial 2 of a timepiece by means of five indexes, such as hands , positioned at the same point of the dial 2, such as the center of the movement. In a traditional manner, the display device 1 comprises a "main" display of the hours, minutes and seconds, by means of three indexes 3, 4, and 5 respectively, mounted superimposed and movable in rotation, their respective axes of rotation being merged into a same and single axis of rotation A, which crosses perpendicularly the dial 2 in its center. The arrangement and training of such needles are known to those skilled in the art and do not require a more detailed description here.

Le dispositif d'affichage 1 comprend également un affichage supplémentaire d'au moins deux autres informations, à savoir une première information sur un premier organe d'affichage 6, tel qu'un premier secteur angulaire gradué, au moyen d'un premier index 8, ainsi qu'une deuxième information sur un deuxième organe d'affichage 10, tel qu'un deuxième secteur angulaire gradué, au moyen d'un deuxième index 12.The display device 1 also comprises an additional display of at least two other items of information, namely a first item of information on a first display member 6, such as a first graduated angular sector, by means of a first index 8 , as well as second information on a second display member 10, such as a second graduated angular sector, by means of a second index 12.

Les premier et deuxième index 8 et 12 sont mobiles en rotation l'un par rapport à l'autre, et également par rapport au cadran 2, et sont positionnés en un même point du cadran 2 que les autres index 3, 4, 5, de l'affichage principal, au centre du cadran 2, leurs axes de rotation respectifs étant communs et confondus avec l'axe de rotation A. Les premier et deuxième index 8 et 12 sont disposés au plus proche du cadran 2, sous les index 3, 4, 5 superposés de l'affichage principal.The first and second indexes 8 and 12 are rotatable relative to one another, and also relative to the dial 2, and are positioned at the same point on the dial 2 as the other indexes 3, 4, 5, of the main display, in the center of dial 2, their respective axes of rotation being common and coincident with the axis of rotation A. The first and second indexes 8 and 12 are placed closest to the dial 2, under the indexes 3 , 4, 5 superimposed from the main display.

Conformément à l'invention, les première et deuxième informations sont choisies de sorte que le premier index 8 et le deuxième index 12 se déplacent pour afficher respectivement les première et deuxième informations sans se croiser.According to the invention, the first and second information items are chosen so that the first index 8 and the second index 12 move to respectively display the first and second information without crossing each other.

Dans l'exemple représenté ici, la première information affichée par le premier index 8 est l'heure de lever du soleil, et la deuxième information affichée par le deuxième index 12 est l'heure de coucher du soleil. Il est bien évident que la configuration inverse est possible. Selon les latitudes, les heures de lever et de coucher du soleil varient mais l'heure de lever du soleil est globalement comprise entre 3H00 et 11H00 et l'heure de coucher du soleil est comprise entre 15H00 et 23H00, de sorte que les premier et deuxième index 8 et 12 ont des courses angulaires selon des secteurs angulaires propres qui ne se recoupent pas. Ainsi, les premier et deuxième index n'auront jamais à se croiser en fonctionnement normal au cours d'un cycle annuel.In the example shown here, the first information displayed by the first index 8 is the time of sunrise, and the second information displayed by the second index 12 is the time of sunset. It is obvious that the reverse configuration is possible. Depending on the latitude, the sunrise and sunset times vary, but the sunrise time is generally between 3:00 a.m. and 11:00 a.m. and the sunset time is between 3:00 p.m. and 11:00 p.m., so that the first and second second index 8 and 12 have strokes angular according to specific angular sectors which do not intersect. Thus, the first and second indexes will never have to cross each other in normal operation during an annual cycle.

L'affichage de l'heure de lever et de l'heure de coucher du soleil par les premier et deuxième index, 8 et 12 respectivement, se fait sur un secteur angulaire, 6 et 10 respectivement. Les secteurs angulaires 6 et 10 portent une graduation additionnelle propre aux heures de lever et de coucher du soleil, et sont positionnés sur le cadran 2 de manière concentrique à l'axe A, en fonction de la course angulaire effectuée par leur index 8, 12 respectif.The display of the time of sunrise and the time of sunset by the first and second indexes, 8 and 12 respectively, takes place on an angular sector, 6 and 10 respectively. The angular sectors 6 and 10 bear an additional graduation specific to the hours of sunrise and sunset, and are positioned on the dial 2 in a manner concentric with the axis A, according to the angular travel effected by their index 8, 12 respective.

D'autres informations à afficher peuvent être choisies à partir du moment où est respectée la condition que les valeurs de ces informations en fonctionnement normal du mouvement sont telles que les index 8 et 12 correspondants ne se croisent pas. Par exemple, l'une des informations à afficher peut être une heure selon un premier fuseau horaire, l'autre information à afficher étant une heure selon un deuxième fuseau horaire, en plus de l'heure locale affichée par les index de l'affichage principal 3 à 5. Les index 8 et 12 correspondants se déplaçant à la même vitesse, leurs courses angulaires vont se suivre mais les index 8 et 12 ne se croiseront pas lors du fonctionnement normal du mouvement. D'une manière avantageuse, le premier organe d'affichage et le deuxième organe d'affichage sur lesquelles s'affichent les heures selon les deux fuseaux horaires au moyen des index 8 et 12 peuvent former un organe d'affichage unique, qui peut être un cadran supplémentaire prévu sur le cadran principal si les deux index 8 et 12 sont séparés des index principaux qui affichent l'heure locale, ou qui peut être le cadran principal lui-même si les deux index 8 et 12 sont disposés au même point du cadran principal que les index principaux, comme sur la figure 1.Other information to be displayed can be chosen from the moment when the condition is met that the values of this information in normal operation of the movement are such that the corresponding indexes 8 and 12 do not intersect. For example, one of the information to be displayed may be a time according to a first time zone, the other information to be displayed being a time according to a second time zone, in addition to the local time displayed by the indexes of the display. main 3 to 5. The corresponding indexes 8 and 12 moving at the same speed, their angular travels will follow each other but the indexes 8 and 12 will not cross during the normal operation of the movement. Advantageously, the first display member and the second display member on which the hours are displayed according to the two time zones by means of the indexes 8 and 12 can form a single display member, which can be an additional dial provided on the main dial if the two indexes 8 and 12 are separated from the main indexes which display the local time, or which can be the main dial itself if the two indexes 8 and 12 are arranged at the same point of the main dial as the main indexes, as on the figure 1 .

Comme le montrent les figures 3 à 5, le premier index 8 comprend un corps allongé 8a et une tête 8b annulaire pourvue d'un canon 8c, et le deuxième index 12 comprend un corps allongé 12a et une tête 12b annulaire pourvue d'un canon 12c, la tête 8b et le canon 8c du premier index 8 étant concentriques à la tête 12b et au canon 12c du deuxième index 12, selon l'axe de rotation A. Contrairement à certaines aiguilles traditionnelles, les premier et deuxième index 8 et 12 ne comportent pas de contrepoids à l'opposé du corps par rapport à la tête.As the figures 3 to 5 , the first index 8 comprises an elongated body 8a and an annular head 8b provided with a barrel 8c, and the second index 12 comprises an elongated body 12a and an annular head 12b provided with a barrel 12c, the head 8b and the barrel 8c of the first index 8 being concentric with the head 12b and to the barrel 12c of the second index 12, along the axis of rotation A. Unlike some traditional hands, the first and second indexes 8 and 12 do not include a counterweight opposite the body relative to the head.

De préférence, les premier et deuxième index 8 et 12 sont des aiguilles.Preferably, the first and second index 8 and 12 are needles.

Les premier et deuxième index 8 et 12 sont entrainés par un mécanisme d'entrainement gérant les heures de lever et de coucher du soleil de manière annuelle au moyen de cames présentant une forme de manière à décrire les variations des heures de lever et de coucher du soleil au cours de l'année. Notamment, le premier index 8 est entrainé en rotation par une première roue d'entrainement 14 liée au mécanisme d'entrainement gérant les heures de lever du soleil et le deuxième index 12 est entrainé en rotation par une deuxième roue d'entrainement 16 liée au mécanisme d'entrainement gérant les heures de coucher du soleil. De tels mécanismes gérant les heures de lever et de coucher du soleil dans une pièce d'horlogerie, telle qu'une montre-bracelet, sont connus de l'homme du métier et ne nécessitent pas ici une plus ample description.The first and second indexes 8 and 12 are driven by a drive mechanism managing the times of sunrise and sunset on an annual basis by means of cams having a shape so as to describe the variations in the times of sunrise and sunset. sun during the year. In particular, the first index 8 is driven in rotation by a first drive wheel 14 linked to the drive mechanism managing the hours of sunrise and the second index 12 is driven in rotation by a second drive wheel 16 linked to the drive mechanism managing the sunset times. Such mechanisms managing the sunrise and sunset times in a timepiece, such as a wristwatch, are known to those skilled in the art and do not require further description here.

Conformément à l'invention, la tête 8b et le canon 8c du premier index 8, appelé par la suite index central pour simplifier la description, sont agencés pour s'insérer au moins partiellement dans la tête annulaire 12b et le canon 12c du deuxième index 12, appelé par la suite index extérieur, de sorte que le corps 8a de l'index central 8 ne peut pas se positionner et passer au-dessus de la tête 12b de l'index extérieur 12. Plus particulièrement, la face inférieure du corps 8a (face regardant le cadran 2) de l'index central 8 ne s'étend pas plus haut que la face supérieure de la tête 12b (face regardant la glace) de l'index extérieur 12.According to the invention, the head 8b and the barrel 8c of the first index 8, hereinafter called the central index to simplify the description, are arranged to fit at least partially into the annular head 12b and the barrel 12c of the second index 12, hereinafter called the outer index, so that the body 8a of the central index 8 cannot position itself and pass over the head 12b of the outer index 12. More particularly, the underside of the body 8a (face looking at the dial 2) of the central index 8 does not extend higher than the upper face of the head 12b (face looking at the glass) of the outer index 12.

A cet effet, la tête 8b et le canon 8c de l'index central 8 ont un diamètre extérieur inférieur au diamètre intérieur de la tête 12b de l'index extérieur 12 de sorte que la tête 8b et le canon 8c de l'index central 8 s'insèrent dans l'ouverture centrale de la tête annulaire 12b de l'index extérieur 12. De préférence, le diamètre extérieur de la tête 8b de l'index central 8 est choisi pour être inférieur au diamètre intérieur de la tête 12b de l'index extérieur 12 de manière à permettre un jeu suffisant entre la tête 12b et la tête 8b pour la rotation de l'index central 8 par rapport à l'index extérieur 12, mais pas trop important pour ne pas nuire à l'esthétisme de la construction de l'ensemble.For this purpose, the head 8b and the barrel 8c of the central index 8 have an outside diameter smaller than the inside diameter of the head 12b of the outside index 12 so that the head 8b and the barrel 8c of the central index 8 fit into the central opening of the annular head 12b of the outer index 12. Preferably, the outside diameter of the head 8b of the central index 8 is chosen to be less than the inside diameter of the head 12b of the outer index 12 so as to allow a sufficient clearance between the head 12b and the head 8b for the rotation of the central index 8 relative to the outer index 12, but not too great not to harm the aesthetics of the construction of the assembly.

La tête 8b et le canon 8c de l'index central 8 peuvent être agencés pour s'insérer ou s'encastrer entièrement dans la tête annulaire 12b et le canon 12c de l'index extérieur 12.The head 8b and the barrel 8c of the central index 8 can be arranged to be inserted or fully embedded in the annular head 12b and the barrel 12c of the outer index 12.

La tête 8b et le canon 8c de l'index central 8 peuvent être également agencés pour s'insérer dans la tête annulaire 12b et le canon 12c de l'index extérieur 12 de sorte que les corps 8a et 12a de l'index central 8 et de l'index extérieur 12 respectivement présentent des faces supérieures dans un même plan.The head 8b and the barrel 8c of the central index 8 can also be arranged to fit into the annular head 12b and the barrel 12c of the outer index 12 so that the bodies 8a and 12a of the central index 8 and of the outer index 12 respectively have upper faces in the same plane.

De préférence, ces deux modes de réalisation sont combinés de sorte que la tête 8b et le canon 8c de l'index central 8 s'insèrent entièrement dans le centre de la tête annulaire 12b et du canon 12c de l'index extérieur 12 de sorte que les faces supérieures de la tête 8b et du corps 8a de l'index central 8 et les faces supérieures de la tête 12b et du corps 12a de l'index extérieur 12 sont dans un même plan afin d'occuper le minimum d'espace, comme représenté sur la figure 5 notamment.Preferably, these two embodiments are combined so that the head 8b and the barrel 8c of the central index 8 fit entirely into the center of the annular head 12b and of the barrel 12c of the outer index 12 so that the upper faces of the head 8b and of the body 8a of the central index 8 and the upper faces of the head 12b and of the body 12a of the outer index 12 are in the same plane in order to occupy the minimum space , as shown on figure 5 notably.

De plus, pour permettre le passage du corps 8a de l'index central 8 au-delà de l'index extérieur 12, au moins la tête 12b de l'index extérieur 12 présente un dégagement 18. De préférence, ce dégagement ou fraisage 18 est pratiqué dans la tête 12 b mais également en partie dans le canon 12c de l'index extérieur 12 afin de laisser suffisamment d'espace pour le déplacement relatif du corps 12a de l'index central 12 par rapport à l'index extérieur 12. Le dégagement 18 se présente sous la forme d'un anneau ouvert délimité latéralement par les bords de la tête 12b. Les dimensions du dégagement 18, et notamment sa longueur, seront adaptées en fonction des informations à afficher, et donc de la course angulaire de l'index central 8 par rapport à celle de l'index extérieur 12, en tenant compte de la capacité d'autoportance de l'index extérieur 12.In addition, to allow the passage of the body 8a of the central index 8 beyond the outer index 12, at least the head 12b of the outer index 12 has a clearance 18. Preferably, this clearance or milling 18 is made in the head 12b but also partly in the barrel 12c of the outer index 12 in order to leave sufficient space for the relative displacement of the body 12a of the central index 12 with respect to the outer index 12. The clearance 18 is in the form of an open ring delimited laterally by the edges of the head 12b. The dimensions of the clearance 18, and in particular its length, will be adapted as a function of the information to be displayed, and therefore of the angular travel of the central index 8 relative to that of the outer index 12, taking into account the capacity d 'self-supporting external index 12.

D'une manière avantageuse, l'index central 8 est fixé de manière solidaire à un arbre central 20 de la première roue d'entrainement 14, l'extrémité de l'arbre central 20 débouchant dans l'ouverture centrale de la tête annulaire 8b de l'index central 8. L'index extérieur 12 est fixé de manière solidaire à un arbre extérieur 22 de la deuxième roue d'entrainement 16, l'extrémité de l'arbre central extérieur 22 s'arrêtant à la même hauteur que le canon 12c au niveau du dégagement 18. L'arbre central 20 est introduit coaxialement dans l'arbre extérieur 22, les arbres central 20 et extérieur 22 étant agencés pour former entre eux un espace 24 périphérique annulaire dans lequel est introduite la base du canon 8c de l'index central 8. A cet effet, la face externe de l'arbre central 20 présente à proximité de son extrémité solidaire de l'index central 8 un rétrécissement 26 de sa section transversale. Les dimensions de l'espace 24 sont choisies de manière à permettre un jeu suffisant entre le canon 8c et l'extrémité de l'arbre extérieur 22 pour la rotation de l'index central 8 par rapport à l'index extérieur 12. L'espace 24 permet un encastrement plus profond du canon 8c de l'index central 8 de manière à réduire encore son encombrement.Advantageously, the central index 8 is fixedly attached to a central shaft 20 of the first drive wheel 14, the end of the central shaft 20 opening into the central opening of the annular head 8b. of the central index 8. The outer index 12 is fixedly fixed to an outer shaft 22 of the second drive wheel 16, the end of the outer central shaft 22 stopping at the same height as the barrel 12c at the level of the clearance 18. The central shaft 20 is introduced coaxially into the outer shaft 22, the central 20 and outer 22 shafts being arranged to form between them an annular peripheral space 24 in which the base of the barrel 8c is introduced. of the central index 8. For this purpose, the outer face of the central shaft 20 has, near its end integral with the central index 8, a narrowing 26 of its cross section. The dimensions of the space 24 are chosen so as to allow sufficient play between the barrel 8c and the end of the outer shaft 22 for the rotation of the central index 8 relative to the outer index 12. The space 24 allows a deeper recessing of the barrel 8c of the central index 8 so as to further reduce its bulk.

Le dispositif d'affichage proposé par la présente invention permet de positionner deux index concentriques sans surépaisseur. Le nombre d'index peut être supérieur à deux, à condition de choisir pour chaque index, une information à afficher dont les valeurs seront telles que les index ne se croisent pas les uns avec les autres.The display device proposed by the present invention makes it possible to position two concentric indexes without extra thickness. The number of indexes can be greater than two, provided that you choose for each index, information to be displayed whose values will be such that the indexes do not intersect with each other.

Le dispositif d'affichage proposé par la présente invention permet à l'index central d'avoir une course angulaire dans le même encombrement que celui de l'index extérieur et ainsi de réduire l'espace occupé normalement par deux index à un espace occupé par un index, alors que deux index sont utilisés. Le dispositif d'affichage proposé par la présente invention peut être avantageusement utilisé lorsque l'on souhaite ajouter sur un cadran deux index concentriques pivotés au centre d'un mouvement qui comprend déjà un, deux ou trois index également pivotés au centre pour l'affichage principal de l'heure. Le volume total occupé par tous les index est réduit de sorte que la montre obtenue est de moindre épaisseur. De plus, les index central et extérieur sont avantageusement disposés dans un même plan, ce qui améliore l'aspect esthétique de l'ensemble.The display device proposed by the present invention allows the central index to have an angular travel in the same size as that of the outer index and thus to reduce the space normally occupied by two indexes to a space occupied by one index, while two indexes are used. The display device proposed by the present invention can be advantageously used when it is desired to add to a dial two concentric indexes pivoted at the center of a movement which already comprises one, two or three indexes also pivoted in the center for display. principal of the hour. The total volume occupied by all the indexes are reduced so that the resulting watch is thinner. In addition, the central and outer indexes are advantageously arranged in the same plane, which improves the aesthetic appearance of the assembly.

Claims (10)

  1. Timepiece mechanism comprising a device (1) for displaying at least two items of information, comprising at least a first index (8) and a second index (12), each of said first and second indices (8, 12) comprising a body (8a, 12a) and a head (8b, 12b) provided with a collar (8c, 12c) and being able to rotate about a common rotational axis (A), said first index (8) being arranged to indicate a first item of information on a first display member (6), and said second index (12) being arranged to indicate a second item of information on a second display member (10), characterised in that the first and second items of information are selected such that the first and second indices (8, 12) move to display, respectively, the first and second items of information without crossing each other, in that the head (8b) and the collar (8c) of one of the first and second indices (8, 12), called central index (8), are arranged to be inserted at least partially into the head (12b) and the collar (12c) of the other of the first and second indices (12), called outer index (12), the body (8a) of the central index (8) not being able to be positioned above the head (12b) of the outer index (12), and in that at least the head (12b) of the outer index (12) has a clearance (18) arranged for the passage of the body (8a) of the central index (8).
  2. Mechanism as claimed in claim 1, characterised in that the collar (8c) and the head (8b) of the central index (8) have an outer diameter smaller than the inner diameter of the head (12b) of the outer index (12).
  3. Mechanism as claimed in any one of the preceding claims, characterised in that the head (8b) and the collar (8c) of the central index (8) are arranged to be fully inserted into the head (12b) and the collar (12c) of the outer index (12).
  4. Mechanism as claimed in any one of the preceding claims, characterised in that the head (8b) and the collar (8c) of the central index (8) are arranged to be inserted into the head (12b) and the collar (12c) of the outer index (12) such that the bodies (8a, 12a) of the central index (8) and of the outer index (12) have upper faces in the same plane.
  5. Mechanism as claimed in any one of the preceding claims, characterised in that the clearance (18) is a clearance formed in the head (12b) of the outer index (12) as well as partially in the collar (12c) of said outer index (12).
  6. Mechanism as claimed in any one of the preceding claims, characterised in that the central index (8) is fixedly attached to a central shaft (20) of a first drive wheel (14), the outer index (12) is fixedly attached to an outer shaft (22) of a second drive wheel (16), the central shaft (20) being introduced coaxially into the outer shaft (22), the central (20) and outer (22) shafts being arranged to form an annular peripheral space (24) therebetween, into which the collar (8c) of the central index (8) is introduced.
  7. Mechanism as claimed in any one of the preceding claims, characterised in that the first display member and the second display member form a single display member.
  8. Mechanism as claimed in any one of the preceding claims, characterised in that the first and second indices (8, 12) are hands.
  9. Mechanism as claimed in any one of the preceding claims, characterised in that one of the first and second items of displayed information is the sunrise time, the other of the first and second items of displayed information being the sunset time.
  10. Timepiece comprising a mechanism as claimed in any one of claims 1 to 9.
EP19179991.5A 2019-06-13 2019-06-13 Timepiece mechanism comprising a device for displaying at least two items of information Active EP3751357B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19179991.5A EP3751357B1 (en) 2019-06-13 2019-06-13 Timepiece mechanism comprising a device for displaying at least two items of information

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19179991.5A EP3751357B1 (en) 2019-06-13 2019-06-13 Timepiece mechanism comprising a device for displaying at least two items of information

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EP3751357A1 EP3751357A1 (en) 2020-12-16
EP3751357B1 true EP3751357B1 (en) 2021-11-10

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE460690T1 (en) * 2007-01-30 2010-03-15 Longines Montres Comp D CLOCK COMPRISING A DRIVING MECHANISM OF A DEVICE FOR DISPLAYING A QUANTITY RELATED TO TIME
CH700664B1 (en) * 2009-03-25 2014-12-15 Télôs Watch SA A display device.
BE1019110A5 (en) * 2009-12-11 2012-03-06 Mintiens Beno T CLOCK MODULE FOR A WATCH AND WATCH FITTED THEREFOR.
EP3168693B1 (en) * 2015-11-12 2018-11-07 Cartier International AG Clock movement

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